This paper explores the mean-reverting behavior of the unemployment rate using monthly geographically disaggregated data for the period 1991:01 through 2012:02. We apply both standard unit-root tests and tests that allow for one and two structural breaks in the mean. We find evidence that favors...

Why do some firms grow faster than others? This question has become the focus of a large number of empirical studies in industrial organization, strategic management, and entrepreneurship since the publications of Gibrat (1931) and Penrose (1959). Using an unbalanced panel data set of 85 U.S....

We use the Johansen cointegration approach to assess the empirical validity of the purchasing power parity (PPP) between the UK and the Euro Area, which we represent by Germany, the largest of its members. We conduct the empirical analysis in the context of the global financial crisis that began...

This paper investigates returns and volatility transmission between SPGCE (index of clean energy stocks), SPGO (index of oil and gas stocks), two non-renewable energy commodities (natural gas and crude oil), and three products of crude oil distillation (heating oil, gasoline, and propane). We...

This paper proposes a hybrid modelling approach for forecasting returns and volatilities of the stock market. The model, called ARFIMA-WLLWNN model, integrates the advantages of the ARFIMA model, the wavelet decomposition technique (namely, the discrete MODWT with Daubechies least asymmetric...

We employ the nonlinear unit-root test recently developed by Omay et al. (2018), as well as other linear and nonlinear tests, to examine the stationarity of five multi-century historical U.K. series of real output compiled by the Bank of England (Thomas and Dimsdale, 2017). Three series span...